November 28, 2022

Standard CIE Illuminants

Spectral Power Distribution Curves of Standard Illumanats (selection)      


Illuminant A is intended to represent a typical tungsten-filament bulb. Its SPD is that of a Planckian radiator at a temperature of  2856 K.

Illuminants B and C are daylight simulations created by modification of illuminant A by using liquid filters.     




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